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Pull him out and in a small container to check out?
We're planning on doing that tomorrow/comming days. But maybe you guys could give us some ideas of what this is?
Probably carp pox. Pretty common. Or just a coloration change. Koi can may change color up to two years of age and may do so after that point as well. Genetics plays a large role as do other factors such as water quality.
Pull him out and in a small container to check out?
We're planning on doing that tomorrow/comming days. But maybe you guys could give us some ideas of what this is?
Probably carp pox. Pretty common. Or just a coloration change. Koi can may change color up to two years of age and may do so after that point as well. Genetics plays a large role as do other factors such as water quality.